Zamiana daty z unixtime

date -jr 1333696934
Fri Apr  6 11:22:14 MSK 2012

reset password

Freebsd:

boot -s #single mode
mount -u /
mount -a
passwd
exit

Linux

-s # single mode
passwd
init 5 # default level

Informacje o systemie

Hdd:

 diskinfo -t da0  # benchmark disks

 top -m io -o total # show load hdd by processes

 df -i # show info about your inodes

 gstat  # show info about load your disks

 iostat -d -w1 -c100 # the same

 systat -io start 1 # graphical load the disks

FS

 tunefs -p / # info about your system

System

top -S # info about system processes

vmstat -z # info about limits

# limits # the same

Network

netstat -inb # errors and how many bytes were transfered at netwrok interfaces

netstat -w1 # realtime number bytes and errors at the interfaces

systat -ifstat # graphical info about load interfaces